epaper42.yaml

<<: !include common.yaml

esphome:
  name: epaper42
  platform: ESP32
  board: esp32dev

  on_boot:
    - wait_until:
        lambda: return id(sntp_time).now().is_valid();
    - logger.log: Got NTP time.
    - delay: 5s
    - display.page.show: date_time
    - component.update: epaper


font:
  - id: RobotoMono40
    size: 40
    file: "fonts/RobotoMono/RobotoMono-Regular.ttf"
  - id: mdi40
    size: 40
    file: "fonts/MaterialIcons/MaterialIcons-Regular.ttf"
    glyphs:
      - "sync"
      - "today"
      - "access_time"

spi:
  clk_pin: SCK
  mosi_pin: MOSI

display:
  - id: epaper
    platform: waveshare_epaper
    cs_pin: SS
    dc_pin: 17
    busy_pin: 4
    reset_pin: 16
    model: 4.20in
    update_interval: 60s
    pages:
      - id: boot
        lambda: |-
          int ignore, mdi40_width = 0, mdi40_height = 0, roboto40_height = 0;
          it.get_text_bounds(0, 0, "today", id(mdi40), TextAlign::TOP_LEFT, &ignore, &ignore, &mdi40_width, &mdi40_height);
          it.get_text_bounds(0, 0, "ABC", id(RobotoMono40), TextAlign::TOP_LEFT, &ignore, &ignore, &ignore, &roboto40_height);
          
          int border     = 10,
              boot_top   = border, 
              boot_left  = 2 * border + mdi40_width;

          it.print(border, boot_top + 8, id(mdi40), "sync");
          it.print(boot_left, boot_top, id(RobotoMono40), "Connecting...");
          
      - id: date_time
        lambda: |-
          int ignore, mdi40_width = 0, mdi40_height = 0, roboto40_height = 0;
          it.get_text_bounds(0, 0, "today", id(mdi40), TextAlign::TOP_LEFT, &ignore, &ignore, &mdi40_width, &mdi40_height);
          it.get_text_bounds(0, 0, "ABC", id(RobotoMono40), TextAlign::TOP_LEFT, &ignore, &ignore, &ignore, &roboto40_height);
          
          int border     = 10,
              date_top   = border, 
              date_left  = 2 * border + mdi40_width,
              time_top   = date_top + roboto40_height, 
              time_left  = 2 * border + mdi40_width;
          
          it.print(border, date_top + 8, id(mdi40), "today");
          it.print(border, time_top + 8, id(mdi40), "access_time");
          it.strftime(date_left, date_top, id(RobotoMono40), "%d.%m.%Y", id(sntp_time).now());
          it.strftime(time_left, time_top, id(RobotoMono40), "%H:%M", id(sntp_time).now());